Sharp Brains: Brain Fitness and Cognitive Health News

Neuroplasticity, Brain Fitness and Cognitive Health News

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Brain Resources and Websites

We recently prepared a Directory of Web Sites as part of our Resources section. You will find some gems here, in a variety of areas:

>> The Dana Foundation offers several excellent online resources:

Brainy Kids Online offers children, teens, parents and teachers links to games, labs, education resources and lesson plans.

BrainWeb: general information about the brain and current brain research, as well as links to validated sites related to more than 25 brain disorders.

Brain Resources for Seniors provides older adults and their caretakers with links to sites related to brain health, education and general information.

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Build Your Cognitive Reserve: An Interview with Dr. Yaakov Stern

Yaakov SternDr. Yaakov Stern is the Division Leader of the Cognitive Neuroscience Division of the Sergievsky Center, and Professor of Clinical Neuropsychology, at the College of Physicians and Surgeons of Columbia University, New York. Alvaro Fernandez interviews him here as part of our research for The SharpBrains Guide to Brain Fitness book.

Dr. Stern is one of the leading proponents of the Cognitive reserve theory, which aims to explain why some individuals with full Alzheimer’s pathology (accumulation of plaques and tangles in their brains) can keep normal lives until they die, while others -with the same amount of plaques and tangles- display the severe symptoms we associate with Alzheimer’s Disease. He has published dozens of peer-reviewed scientific papers on the subject.

The concept of a Cognitive Reserve has been around since 1989, when a post mortem analysis of 137 people with Alzheimer’s Disease showed that some patients exhibited fewer clinical symptoms than their actual pathology suggested. These patients also showed higher brain weights and greater number of neurons when compared to age-matched controls. The investigators hypothesized that the patients had a larger “reserve” of neurons and abilities that enable them to offset the losses caused by Alzheimer’s. Since then, the concept of Cognitive Reserve has been defined as the ability of an individual to tolerate progressive brain pathology without demonstrating clinical cognitive symptoms. (You can check at the end of this interview a great clip on this).

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Key take-aways

– Lifetime experiences, like education, engaging occupation, and leisure activities, have been shown to have a major influence on how we age, specifically on whether we will develop Alzheimer’s symptoms or not.

– This is so because stimulating activities, ideally combining physical exercise, learning and social interaction, help us build a Cognitive Reserve to protect us.

– The earlier we start building our Reserve, the better; but it is never too late to start. And, the more activities, the better: the effect is cumulative.

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The Cognitive Reserve

Alvaro Fernandez (AF): Dear Dr. Stern, it is a pleasure to have you here. Let me first ask you this: the implications of your research are pretty broad, presenting major implications across sectors and age groups. What has been the most unexpected reaction so far?

YS: well…I was pretty surprised when Read the rest of this entry »

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